Rack



FIG. 1 is a top plan view of the claimed rack.

FIG. 2 is a side elevation view of the rack of FIG. 1 .

FIG. 3 is a perspective view of the rack of FIG. 1 .

FIG. 4 is a left perspective view of the rack of FIG. 1 ; and,

FIG. 5 is a right perspective view of the rack of FIG. 1 .

The broken lines show portions of the rack that form no part of the claimed design. 

CLAIM The ornamental design for a rack, as shown and described. 